Patents by Inventor Hyun-Joong Park
Hyun-Joong Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240085777Abstract: Provided is a process proximity effect correction method capable of efficiently improving the dispersion of patterns. There is a process proximity effect correction method according to some embodiments, the process proximity effect correction method of a process proximity effect correction device for performing process proximity effect correction (PPC) of a plurality of patterns using a machine learning module executed by a processor, comprising: training a sensitivity model by inputting a layout image of the plurality of patterns and a layout critical dimension (CD) of the plurality of patterns into the machine learning module; estimating an after cleaning inspection critical dimension (ACI-CD) sensitivity prediction value of the plurality of patterns by inferring an ACI-CD prediction value of the plurality of patterns; and determining a correction rate of the layout CD of the plurality of patterns using the estimated sensitivity prediction value.Type: ApplicationFiled: May 31, 2023Publication date: March 14, 2024Applicant: Samsung Electronics Co., Ltd.Inventors: Dae Young PARK, Jeong Hoon KO, Seong Ryeol KIM, Young-Gu KIM, Tae Hoon KIM, Hyun Joong KIM, Young Ju LEE
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Publication number: 20240089809Abstract: A handover method of a first terminal in a wireless communication system may comprise: transmitting a first measurement report message to a first cell that is a primary cell (PCell); receiving, from the first cell, one or more first configuration messages for one or more target cells determined according to the first measurement report message; adding each of the one or more target cells as a candidate PCell based on the one or more first configuration messages; and performing data transmission and reception with at least one cell among the first cell and the one or more candidate PCells.Type: ApplicationFiled: November 24, 2023Publication date: March 14, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyun Seo PARK, Yun Joo KIM, Eunkyung KIM, Tae Joong KIM, An Seok LEE, Yu Ro LEE, Heesoo LEE
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Patent number: 11930534Abstract: Disclosed are a method and a device for low latency communication in a communication system. An operation method of a base station comprises the steps of: transmitting first scheduling information of data units, transmitted through A sections in subframe #n, to a terminal through a first control channel in subframe #n; transmitting the data units to the terminal through the A sections; and transmitting second scheduling information of data unit(s), transmitted through B section(s) in subframe #(n+k) following subframe #n, to the terminal through a second control channel in subframe #(n+k). Therefore, the performance of the communication system can be improved.Type: GrantFiled: April 10, 2019Date of Patent: March 12, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Eunkyung Kim, Tae Joong Kim, Hyun Seo Park, An Seok Lee, Yu Ro Lee, Hyun Lee
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Patent number: 8331443Abstract: A system for evaluating video quality using auxiliary information of a codec includes a video transmitter that includes a source video input unit for inputting source video, an encoding unit for encoding the input source video, a decoding unit for decoding encoded video data, and a video quality evaluation unit for evaluating video quality using the decoded video data. The encoding unit transmits auxiliary information required for video quality evaluation, among information acquired in an encoding procedure, to the video quality evaluation unit. The video quality evaluation unit evaluates video quality using the decoded video data received from the decoding unit, and the auxiliary information received from the encoding unit.Type: GrantFiled: May 30, 2006Date of Patent: December 11, 2012Assignees: SK Planet Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Sang-Woo Rhie, Chul-Hee Lee, Sang-Ho Chae, Hyun-Joong Park, Joong-Yun Lee
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Patent number: 8031770Abstract: Disclosed herein are systems and methods for evaluating video quality. The systems include a video transmitter and a video receiver. The transmitter generates feature parameters from a reference video to be transmitted and transmits the generated feature parameters along with compressed video data via a network. The video receiver receives the feature parameters and the compressed video data via the network, evaluates the video quality of the received video using the feature parameters and transmits video quality evaluation results to the video transmitter via the network.Type: GrantFiled: April 22, 2005Date of Patent: October 4, 2011Assignees: SK Telecom Co., Ltd., Yonsei UniversityInventors: Chul-Hee Lee, Sang-Woo Rhie, Won-Hee Sull, Dong-Won Na, Hong-Seo Yun, Sang-Ho Chae, Hyun-Joong Park, Joong-Yun Lee
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Patent number: 7912419Abstract: Methods and apparatuses for measuring transmission quality of multimedia data are provided. The method comprises the steps of a transmitter transmitting multimedia data through a channel, a receiver, having received the multimedia data from the transmitter, transmitting information on transmission error of the multimedia data to the transmitter through a return channel, the transmitter estimating the received data at the receiver using the error information returned to the transmitter, and the transmitter evaluating the transmission quality of the received data by comparing the estimated received data with reference data.Type: GrantFiled: January 28, 2005Date of Patent: March 22, 2011Assignees: SK Telecom Co., Ltd., Yonsei UniversityInventors: Chul-Hee Lee, Sang-Woo Rhie, Won-Hee Sull, Dong-Won Na, Hong-Seo Yun, Sang-Ho Chae, Hyun-Joong Park, Joong-Yun Lee
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Publication number: 20080198922Abstract: A system for evaluating video quality using auxiliary information of a codec includes a video transmitter that includes a source video input unit for inputting source video, an encoding unit for encoding the input source video, a decoding unit for decoding encoded video data, and a video quality evaluation unit for evaluating video quality using the decoded video data. The encoding unit transmits auxiliary information required for video quality evaluation, among information acquired in an encoding procedure, to the video quality evaluation unit. The video quality evaluation unit evaluates video quality using the decoded video data received from the decoding unit, and the auxiliary information received from the encoding unit.Type: ApplicationFiled: May 30, 2006Publication date: August 21, 2008Applicants: SK TELECOM CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Sang-Woo Rhie, Chul-Hee Lee, Sang-Ho Chae, Hyun-Joong Park, Joong-Yun Lee
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Publication number: 20070161351Abstract: Methods and apparatuses for measuring transmission quality of multimedia data are provided. The method comprises the steps of a transmitter transmitting multimedia data through a channel, a receiver, having received the multimedia data from the transmitter, transmitting information on transmission error of the multimedia data to the transmitter through a return channel, the transmitter estimating the received data at the receiver using the error information returned to the transmitter, and the transmitter evaluating the transmission quality of the received data by comparing the estimated received data with reference data.Type: ApplicationFiled: January 28, 2005Publication date: July 12, 2007Inventors: Chul-Hee Lee, Sang-Woo Rhie, Won-Hee Sull, Dong-Won Na, Hong-Seo Yun, Sang-Ho Chae, Hyun-Joong Park, Joong-Yun Lee
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Publication number: 20060090187Abstract: A method for controlling multimedia based on RTSP is disclosed. The method comprises the steps of: a) confirming a state of a multimedia terminal when a user of the multimedia terminal selects a multimedia play; b) generating a PLAY message of requesting selected media data based on the result of step a) and transmitting the PLAY message to a media server through a wireless data communication network; c) determining whether the state of the multimedia terminal is varied after step b); and generating a control message corresponding to the varied state when the state of the multimedia terminal is varied and transmitting the control message to the server.Type: ApplicationFiled: December 27, 2004Publication date: April 27, 2006Applicant: SK TELECOM CO., LTD.Inventors: Sang-Ho Chae, Joong-Yun Lee, Sang-Woo Rhie, Hyun-Joong Park, Hee-Won Park, Hung-Seo Yun, Won-Hee Sull, Dong-Won Na
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Publication number: 20050243910Abstract: Disclosed herein are systems and methods for evaluating video quality. The systems include a video transmitter and a video receiver. The tranmitter generates feature parameters from a reference video to be transmitted and transmits the generated feature parameters along with compressed video data via a network. The video receiver receives the feature parameters and the compressed video data via the network, evaluates the video quality of the received video using the feature parameters and transmits video quality evaluation results to the video transmitter via the network.Type: ApplicationFiled: April 22, 2005Publication date: November 3, 2005Inventors: Chul-Hee Lee, Sang-Woo Rhie, Won-Hee Sull, Dong-Won Na, Hong-Seo Yun, Sang-Ho Chae, Hyun-Joong Park, Joong-Yun Lee